<?php

/**
 * Created by PhpStorm.
 * User: yp-tc-7176
 * Date: 17/7/16
 * Time: 20:12.
 */
abstract class StringUtils
{
    public static function isBlank($field)
    {
        if ('' == $field) {
            return false;
        }

        return true;
    }
}
